1887

Abstract

The taxonomic assignment of together with the in-house environmental isolate EB93 was reassessed in this study using phylogenetic and phylogenomic approaches, and the detection of multiple molecular synapomorphies. Results from the reconstructed phylogenetic trees based on the 16S rRNA gene sequences, the concatenated protein sequences of , and the whole-genome sequences revealed the consistent exclusion of and the environmental isolate EB93 from the cluster formed by the type strains of the genus . In addition, and the environmental isolate EB93 were both observed to form a clade together with the type strains of the genus . The results from the analysis of the digital DNA–DNA hybridization, average nucleotide identity, average amino acid identity and the difference in the G+C content also corroborated with the phylogenetic inference, and that and the environmental isolate EB93 were of the same species. Furthermore, the presence of the molecular synapomorphies in the protein sequences noted in the description of the genus were also observed in , further strengthening its taxonomic affiliation in the genus. Based on the evidence from the multiple lines of analyses, we propose the reclassification of as a member of the genus and assume the name comb. nov. (type strain DSM 8801 =ATCC 25097=CCUG 43489=CIP 67.20=JCM 11681).

Funding
This study was supported by the:
  • Yeungnam University (Award 221A380005)
    • Principle Award Recipient: HanhongBae
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/content/journal/ijsem/10.1099/ijsem.0.005389
2022-05-23
2024-11-03
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